Table 2: Descriptive statistics of the sample data for home-based travel-to-shop trips ( ).

Variable nameVariable descriptionMeanSt. Dev.

Household characteristics
Household sizeSingle person household (1 = yes; 0 = otherwise)0.340.475
Household size is equal to two persons (1 = yes; 0 = otherwise)0.440.496
Household size is equal to or more than three persons (1 = yes; 0 = otherwise)0.220.414
Household incomeHousehold income is less than 30,000 (1 = yes; 0 = otherwise)0.230.422
Household income is between 30,000 and 100,000 (1 = yes; 0 = otherwise)0.420.494
Household income is equal to or more than 100,000 (1 = yes; 0 = otherwise)0.350.477
Cars ownershipHousehold owns no car (1 = yes; 0 = otherwise)0.220.415
Household owns one car (1 = yes; 0 = otherwise)0.420.494
Household owns two or more cars (1 = yes; 0 = otherwise)0.360.479

Individual characteristics
GenderMale (1 = yes; 0 = otherwise)0.450.498
AgePerson is less than 25 years old (1 = yes; 0 = otherwise)0.050.210
Person is between 25 and 54 years old (1 = yes; 0 = otherwise)0.520.500
Person is equal to or more than 55 years old (1 = yes; 0 = otherwise)0.440.496

Land use related characteristics
Residential densityContinuous variable: residential density of TAZ in which home lies (people/acre)25.3718.049
Retail employment densityContinuous variable: retail employment density of TAZ in which home lies (retail employment/acre)2.985.878

Travel related characteristics
Travel TimeContinuous variable: total time of a trip (min) provided by MSTM
Travel costContinuous variable: total travel cost for a trip ( ) as a function of distance provided by MSTM

Choice characteristics
Shopping destinationDistance to shop: within 1 mile, 1-2 miles, and over 2 miles
Travel modeTrip modes: car, transit, walk, and bicycle